From d167e3718d147a1b4036c5e7c423c932705935e3 Mon Sep 17 00:00:00 2001
From: Florian Eckert <fe@dev.tdt.de>
Date: Tue, 15 Jan 2019 10:22:21 +0100
Subject: [PATCH] mwan3: lock critical section on mwan3 down

Signed-off-by: Florian Eckert <fe@dev.tdt.de>
---
 net/mwan3/files/usr/sbin/mwan3 | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/net/mwan3/files/usr/sbin/mwan3 b/net/mwan3/files/usr/sbin/mwan3
index 6aee3db0c..fa8f0a4d5 100755
--- a/net/mwan3/files/usr/sbin/mwan3
+++ b/net/mwan3/files/usr/sbin/mwan3
@@ -136,6 +136,8 @@ stop()
 {
 	local ipset route rule table IP IPT pid
 
+	mwan3_lock
+
 	for pid in $(pgrep -f "mwan3rtmon"); do
 		kill -TERM "$pid" > /dev/null 2>&1
 		sleep 1
@@ -184,6 +186,8 @@ stop()
 		$IPS -q destroy $ipset
 	done
 
+	mwan3_unlock
+
 	mwan3_lock_clean
 	rm -rf $MWAN3_STATUS_DIR $MWAN3TRACK_STATUS_DIR